struct node_t *nexthop; /* nearest node from us to him */
struct edge_t *prevedge; /* nearest node from him to us */
struct node_t *via; /* next hop for UDP packets */
struct node_t *nexthop; /* nearest node from us to him */
struct edge_t *prevedge; /* nearest node from him to us */
struct node_t *via; /* next hop for UDP packets */